942870 has 32 divisors (see below), whose sum is σ = 2309472. Its totient is φ = 246272.

The previous prime is 942869. The next prime is 942883. The reversal of 942870 is 78249.

942870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 942870.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294 + ... + 1886.

It is an arithmetic number, because the mean of its divisors is an integer number (72171).

2⁹⁴²⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 942870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1154736).

942870 is an abundant number, since it is smaller than the sum of its proper divisors (1366602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942870 is a wasteful number, since it uses less digits than its factorization.

942870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 942870 is about 971.0149329439. The cubic root of 942870 is about 98.0582050459.

The spelling of 942870 in words is "nine hundred forty-two thousand, eight hundred seventy".